package com.zhouyu.service;

import com.spring.BeanPostProcessor;
import com.spring.Component;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

@Component
public class ZhouyuBeanPostProcessor implements BeanPostProcessor {
    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) {
        if(beanName.equals("orderService")){
            Object proxy = Proxy.newProxyInstance(ZhouyuBeanPostProcessor.class.getClassLoader(), bean.getClass().getInterfaces(), new InvocationHandler() {
                @Override
                public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                    System.out.println("切面");
                    return method.invoke(bean,args);
                }
            });
            return proxy;

        }
        return bean;
    }
}